Ready made opinions can be distributed day by day through the press, radio, and so on, again and again, till they reach the nerve cell and implant a fixed pattern in the brain. Consequently, guided public opinion is the result, according to Pavlovian theoreticians, of good propaganda technique, and the polls [are] a verification of the temporary successful action of the Pavlovian machinations on the mind.

Joost Meerloo

Source: The Rape of the Mind: The Psychology of Thought Control, Menticide, and Brainwashing

The continual intrusion into our minds of the hammering noises of arguments and propaganda can lead to two kinds of reactions. It may lead to apathy and indifference, the I-don't-care reaction, or to a more intensified desire to study and to understand. Unfortunately, the first reaction is the more popular one.

Joost Meerloo

Source: The Rape of the Mind: The Psychology of Thought Control, Menticide, and Brainwashing

The same day I saw my first horror camp, I visited every nook and cranny. I felt it my duty to be in a position from then on to testify about these things in case there ever grew up at home the belief or assumption that the stories of Nazi brutality were just propaganda.